const { output } = require('proc-log') const PackageJson = require('@npmcli/package-json') const BaseCommand = require('../base-cmd.js') const Queryable = require('../utils/queryable.js') class Pkg extends BaseCommand { static description = 'Manages your package.json' static name = 'pkg' static usage = [ 'set <key>=<value> [<key>=<value> ...]', 'get [<key> [<key> ...]]', 'delete <key> [<key> ...]', 'set [<array>[<index>].<key>=<value> ...]', 'set [<array>[].<key>=<value> ...]', 'fix', ] static params = [ 'force', 'json', 'workspace', 'workspaces', ] static workspaces = true static ignoreImplicitWorkspace = false async exec (args, { path = this.npm.localPrefix, workspace } = {}) { if (this.npm.global) { throw Object.assign( new Error(`There's no package.json file to manage on global mode`), { code: 'EPKGGLOBAL' } ) } const [cmd, ..._args] = args switch (cmd) { case 'get': return this.get(_args, { path, workspace }) case 'set': return this.set(_args, { path, workspace }).then(p => p.save()) case 'delete': return this.delete(_args, { path, workspace }).then(p => p.save()) case 'fix': return PackageJson.fix(path).then(p => p.save()) default: throw this.usageError() } } async execWorkspaces (args) { await this.setWorkspaces() for (const [workspace, path] of this.workspaces.entries()) { await this.exec(args, { path, workspace }) } } async get (args, { path, workspace }) { this.npm.config.set('json', true) const pkgJson = await PackageJson.load(path) let result = pkgJson.content if (args.length) { result = new Queryable(result).query(args) // in case there's only a single result from the query // just prints that one element to stdout // TODO(BREAKING_CHANGE): much like other places where we unwrap single // item arrays this should go away. it makes the behavior unknown for users // who don't already know the shape of the data. if (Object.keys(result).length === 1) { result = result[args] } } // The display layer is responsible for calling JSON.stringify on the result // TODO: https://github.com/npm/cli/issues/5508 a raw mode has been requested similar // to jq -r. If that was added then this method should no longer set `json:true` all the time output.buffer(workspace ? { [workspace]: result } : result) } async set (args, { path }) { const setError = () => this.usageError('npm pkg set expects a key=value pair of args.') if (!args.length) { throw setError() } const force = this.npm.config.get('force') const json = this.npm.config.get('json') const pkgJson = await PackageJson.load(path) const q = new Queryable(pkgJson.content) for (const arg of args) { const [key, ...rest] = arg.split('=') const value = rest.join('=') if (!key || !value) { throw setError() } q.set(key, json ? JSON.parse(value) : value, { force }) } return pkgJson.update(q.toJSON()) } async delete (args, { path }) { const setError = () => this.usageError('npm pkg delete expects key args.') if (!args.length) { throw setError() } const pkgJson = await PackageJson.load(path) const q = new Queryable(pkgJson.content) for (const key of args) { if (!key) { throw setError() } q.delete(key) } return pkgJson.update(q.toJSON()) } } module.exports = Pkg